| the act of reversing the order or place of | the mathematics of generalized arithmetical operations |
| (music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards | |
| (mathematics) the transfer of a quantity from one side of an equation to the other along with a change of sign | |
| (electricity) a rearrangement of the relative positions of power lines in order to minimize the effects of mutual capacitance and inductance | |
| (genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome | |
| an event in which one thing is substituted for another | |
| any abnormal position of the organs of the body | |